共 24 条
[2]
BRYANT R, 1980, P BEIJING S DIFFEREN
[3]
BRYANT R, UNPUB ESSAYS EXTERIO
[4]
BRYANT RL, 1984, J DIFFER GEOM, V20, P23
[5]
Cartan E., 1945, SYSTEMES DIFFERENTIE
[6]
CHEUNG WS, 1985, THESIS HARVARD
[7]
Gelfand I.M, 2012, CALCULUS VARIATIONS
[8]
GELFAND IM, 1970, ACTES C INT MATH, V1, P95
[9]
GOLDSCHMIDT H, 1973, ANN I FOURIER, V23, P203
[10]
Griffiths P. A, 1983, EXTERIOR DIFFERENTIA